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A survey regarding the height (in cm) of...

A survey regarding the height (in cm) of 51 girls of class `X` of a school was conducted and the following data was obtained: Height (in cm) `Less than 140 Less than 145 Less than 150 Less than 155 Less than 160 Less than 165` Number of Girls 4 7 18 11 6 5 Find the median height.

Text Solution

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`N=51⇒ N/2 = 51/2 ​=25.5` As 29 is greater than 25.5, the median class is `145-150.`
Median=`l+ [(N/2+C)/f times H]` Here, l= lower limit of median class =145 ...
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